Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? All of these Compression of air in a compressor Expansion of steam in a turbine Free expansion of a gas All of these Compression of air in a compressor Expansion of steam in a turbine Free expansion of a gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is -2 RT ln 0.5 0.5 RT 2 RT -RT ln 0.5 -2 RT ln 0.5 0.5 RT 2 RT -RT ln 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas Only ΔH =0 ΔE = ΔH = 0 Only ΔE = 0 DQ = dE Only ΔH =0 ΔE = ΔH = 0 Only ΔE = 0 DQ = dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy 'H' is defined as None of these H - E = PV H = E - PV H = F - TS None of these H - E = PV H = E - PV H = F - TS ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants ) All of these Pressure has no effect on equilibrium, when Δn = 0 Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Addition of inert gas favours the forward reaction, when Δx is positive All of these Pressure has no effect on equilibrium, when Δn = 0 Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Addition of inert gas favours the forward reaction, when Δx is positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Heating Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C ANSWER DOWNLOAD EXAMIANS APP
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